David Roberts: If you had to guess, what’s the biggest potential contributor [to reducing climate change] that you had to leave out for lack of data?
Paul Hawken: War.
David Roberts: Because it reduces population?
Paul Hawken: No, no, no — just the footprint of maintaining standing armies and militaries around the world. It must be extraordinary.
David Roberts: Oh, the carbon benefit of…
Paul Hawken: Of peace. Yeah. There is one.